Table 6 Optimized parameter values for TS-BPC.

From: Predicting workability and mechanical properties of bentonite plastic concrete using hybrid ensemble learning

Parameters

Models

ADB-FBIO

GBRT- FBIO

XGB- FBIO

RF- FBIO

Number of estimators

28

47

185

128

Min_samples_split

0.04

0.05

-

4

Min_samples _leaf

0.01

0.02

-

1

Max_depth

64

131

472

481

Max_features

1

3

-

1

Max_ leaf_nodes

72

8

500

197

Ccp_alpha

1.62

1.14e-05

-

0

Min_weight_fraction_leaf

0.0003

0.005

-

0

Learning rate

0.25

0.36

0.61

-

Alpha

-

0.18

-

-

Subsample

-

0.79

0.91

-

Max_samples

-

-

-

0.95

Gamma

-

-

4.75

-

Min_child_weight

-

-

0.37

-

Reg_lambda

-

-

1.91

-

Colsample_bytree

-

-

0.79

-

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